For what reason would they spend money [millions] building the tooling for shells and new barrel liners and spare parts for one ship that's too slow to keep up with the carriers, when said tooling and stockpiles exist already for existing ships that can keep up with the carriers and the Fleet planned on phasing out battleships as quickly as possible [only one was in service by the Korean war when the others were reactivated and that because of Truman's fondness for USS Missouri and willingness to disagree with his cabinet and the Navy]
FYI US jet engines were predominantly based on British not German designs and the reason the US built a V-2 derivative was that they had nothing comparable which is not the situation here
the same reason The USA Army spend billions of Dollar in R&D of Nuclear artillery and there Warhead in 1950s. (Not only them USSR and France also built them)
and US Navy will certainly not stay behind, the use of Yamato as Nuclear artillery platform is perfect opportunity also to to aggravate the US army.
in that time they consider this as non plus ultra in Weapon design. until the Mobil missile system are ready in begin 1960s (the V2 technology was not ready for this Military use)